question_answer

A beam of natural light falls on a system of 5 polaroids, which are arranged in succession such that the pass axis of each polaroid is turned through\[{{60}^{o}}\]with respect to the preceding one. The fraction of the incident light intensity that passes through the system is

A)  \[\frac{1}{64}\]               

B)         \[\frac{1}{32}\]               

C)  \[\frac{1}{256}\]                             

D)         \[\frac{1}{128}\]

E)  \[\frac{1}{512}\]